Gallagher, Shelagh A. (2009). Adapting problem-based learning for gifted students. In F. Karnes & S. Bean (Eds.), Methods and Materials for Teaching the Gifted, 3rd ed. (p. 301-330). Waco, TX: Prufrock Press Inc.
Illinois Mathematics and Science Academy (2011, January). PBL Scenarios. PBLNetwork. Retrieved February 27, 2011 from http://pbln.imsa.edu/model/scenarios/
Learning Theories Knowledgebase (2011, February). Problem-Based Learning (PBL). Learning-Theories.com. Retrieved February 26th, 2011 from http://www.learning- theories.com/problem-based-learning-pbl.html
Illinois Mathematics and Science Academy (2011, January). PBL Scenarios. PBLNetwork. Retrieved February 27, 2011 from http://pbln.imsa.edu/model/scenarios/
Learning Theories Knowledgebase (2011, February). Problem-Based Learning (PBL). Learning-Theories.com. Retrieved February 26th, 2011 from http://www.learning- theories.com/problem-based-learning-pbl.html